Multivariate regression analysis of factors associated with asthma
| Factor | Multivariate | ||
|---|---|---|---|
| Odds ratio | 95% confidence interval | P-value | |
| Age (y) | |||
| 19–34 | 1.00 (ref.) | - | |
| 35–49 | 0.67 | 0.45–0.98 | 0.038 |
| 50–64 | 0.68 | 0.45–1.03 | 0.066 |
| Sex, female | 1.59 | 0.99–2.54 | 0.055 |
| Education level, high school or higher | 0.64 | 0.43–0.97 | 0.036 |
| House income, median or more | 1.35 | 0.94–1.94 | 0.110 |
| Smoke, ex or current | 1.03 | 0.64–1.67 | 0.906 |
| Obesity, BMI ≥25 kg/m2 | 1.47 | 1.06–2.04 | 0.020 |
| Sufficient physical activity, yes | 1.21 | 0.82–1.79 | 0.335 |
| Soft drink consumption | |||
| Never, <one cup per day | 1.00 (ref.) | - | |
| ≥One cup per day, <two cups per day | 1.70 | 0.76–3.80 | 0.196 |
| ≥Two cups per day | 4.71 | 1.26–17.58 | 0.021 |
BMI, body mass index.